Kevin wrote:

I don't particularly want to put a new pergola up and came across "Shade
Sails" which are a triangular 'sail' that you put up horizontally using 3
posts or wall as the situation dictates. This would fit the bill nicely.
Would also give protection when bbq'ing during the British summer - ahem.

Ikea do something like this, but were out of stock when I last
visited MK:
http://www.ikea.com/webapp/wcs/store...ductId =53759
(aka http://masl.to/?A2F52282D )

...but depending on your opinion of Ikea it might be worth a look.
--
Selah